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Cold start this morning, it idled raggedly in open loop, and then steadied at idle in a few seconds once the UG indicated closed loop operation... at the same time the trim started getting lean. It stabilized in the negative teens (-14 to -18%).
Once warmed up it stalled once while coasting with the engine on in neutral.
There was one episode where the primary O2 reading on my UG showed voltage 0.995 for something like 5-10 seconds straight with no flutuation.
Warm, the engine generally idles comfortably in the 600 rpm range, with a fuel trim -24% or so. Sometimes it idles almost at normal 0.00 fuel trim.
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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.
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